*{
    margin: 0px;
    font-family: 黑体;
}
body{
    background-color: #eee;
}
.header{
    height: 50px;
    width: 100%;
    padding-top: 25px;
    background-color: #fff;
    position: fixed;
    top: 0px;
    border-bottom: 1px solid #eee;
}
.header .back{
    width: 14px;
    height: 14px;
    background-color: rgba(255, 255, 255, 0%);
    border-top: 2px solid #000;
    border-right: 2px solid #000;
    transform:rotate(-135deg);
    margin: 15px 20px;
}
.main{
    position: fixed;
    background-color: #509ffc;
    height: 100%;
    width: 100%;
    text-align: center;
    top: 75px;
}
@keyframes scrollToUp {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 298% 0;
    }
}
.main .roll{
    height: 15px;
    width: 100%;
    margin-top: 160px;
    text-align: center;
    background-image: url(../images/b&y.png);
    background-repeat: repeat-x;
    background-size: 90% 100%;
    background-position: center center;
    animation: scrollToUp 2s linear infinite;
}
.main .roll div{
    height: 15px;
    padding: 0 38%;
}
.main .roll div p{
    color: #fff;
    height: 15px;
    line-height: 15px;
    font-size: 12px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}
#now{
    color: #fff;
    font-size: 14px;
    margin-top: 10px;
}
.main .h{
    font-size: 18px;
    color: #fff;
    line-height: 50px;
}
menu{
    text-align: left;
    margin-left: 10%;
    color: #fff;
}
menu li::marker{
    font-size: 3px;
}
#zz{
    height: 300px;
    position: absolute;
    top: 160px;
    left: 8%;
    right: 8%;
    background-color: rgba(255, 255, 255, 0%);
    outline: 9999px solid #939496;
    border-radius: 15px;
}
.home{
    position: fixed;
    top: 560px;
    left: 35%;
    right: 35%;
    height: 30px;
    line-height: 30px;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 5px;
    text-align: center;
}